WebKit merge 41660:41709 (WebKit side)....

third_party/WebKit/WebCore/bindings/js/ScriptFunctionCall.cpp

+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ScriptFunctionCall.h"
+
+#include "JSDOMBinding.h"
+#include "ScriptValue.h"
+#include <runtime/JSLock.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+ScriptFunctionCall::ScriptFunctionCall(ScriptState* exec, const ScriptObject& thisObject, const char* name)
+    : m_exec(exec)
+    , m_thisObject(thisObject)
+    , m_name(name)
+{
+}
+
+void ScriptFunctionCall::appendArgument(const ScriptObject& argument)
+{
+    m_arguments.append(argument.jsObject());
+}
+
+void ScriptFunctionCall::appendArgument(const ScriptValue& argument)
+{
+    m_arguments.append(argument.jsValue());
+}
+
+void ScriptFunctionCall::appendArgument(const String& argument)
+{
+    JSLock lock(false);
+    m_arguments.append(jsString(m_exec, argument));
+}
+
+ScriptValue ScriptFunctionCall::call(bool& hadException)
+{
+    JSObject* thisObject = m_thisObject.jsObject();
+
+    JSLock lock(false);
+
+    JSValuePtr function = thisObject->get(m_exec, Identifier(m_exec, m_name));
+    if (m_exec->hadException()) {
+        reportException(m_exec, m_exec->exception());
+        hadException = true;
+        return ScriptValue();
+    }
+
+    CallData callData;
+    CallType callType = function.getCallData(callData);
+    if (callType == CallTypeNone)
+        return ScriptValue();
+
+    JSValuePtr result = JSC::call(m_exec, function, callType, callData, thisObject, m_arguments);
+    if (m_exec->hadException()) {
+        reportException(m_exec, m_exec->exception());
+        hadException = true;
+        return ScriptValue();
+    }
+
+    return ScriptValue(result);
+}
+
+ScriptObject ScriptFunctionCall::construct(bool& hadException)
+{
+    JSObject* thisObject = m_thisObject.jsObject();
+
+    JSLock lock(false);
+
+    JSObject* constructor = asObject(thisObject->get(m_exec, Identifier(m_exec, m_name)));
+    if (m_exec->hadException()) {
+        reportException(m_exec, m_exec->exception());
+        hadException = true;
+        return ScriptObject();
+    }
+
+    ConstructData constructData;
+    ConstructType constructType = constructor->getConstructData(constructData);
+    if (constructType == ConstructTypeNone)
+        return ScriptObject();
+
+    JSValuePtr result = JSC::construct(m_exec, constructor, constructType, constructData, m_arguments);
+    if (m_exec->hadException()) {
+        reportException(m_exec, m_exec->exception());
+        hadException = true;
+        return ScriptObject();
+    }
+
+    return ScriptObject(asObject(result));
+}
+
+} // namespace WebCore